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30934195 = 523268993
BaseRepresentation
bin111011000000…
…0010010110011
32011012121201221
41312000102303
530404343240
63023005511
7523636105
oct166002263
964177657
1030934195
1116509356
12a439897
136541276
144173575
152ab0a4a
hex1d804b3

30934195 has 8 divisors (see below), whose sum is σ = 38735136. Its totient is φ = 23671296.

The previous prime is 30934177. The next prime is 30934199. The reversal of 30934195 is 59143903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30934195 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30934195.

It is not an unprimeable number, because it can be changed into a prime (30934199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134382 + ... + 134611.

It is an arithmetic number, because the mean of its divisors is an integer number (4841892).

Almost surely, 230934195 is an apocalyptic number.

30934195 is a deficient number, since it is larger than the sum of its proper divisors (7800941).

30934195 is a wasteful number, since it uses less digits than its factorization.

30934195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269021.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 30934195 is about 5561.8517599807. The cubic root of 30934195 is about 313.9156297589.

The spelling of 30934195 in words is "thirty million, nine hundred thirty-four thousand, one hundred ninety-five".

Divisors: 1 5 23 115 268993 1344965 6186839 30934195